These rock tunes defined the sound of Generation X. And if you're part of that generation, these songs probably still make it to your rotation.

Generation X has the distinction of inventing grunge, and these three songs have come to define the whole of the generation.

If your life had a soundtrack, which tunes would make the cut? The first song you slow-danced to? The guitar anthem you used to blast out your dorm room window? Past research has shown that the sounds ...